Passage Data · Check a report · Use it from your AI

American Water Operations and Maintenance, LLC. - North Fort Polk WWTP

Sewerage Systems, major discharger, Fort Polk, Louisiana. NPDES permit LA0032239, in force until Jul 14, 2028. Last 12 months: no values over a limit, 22 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (14 values), outfall 001 form CE monthly (11 values), outfall 001 form PI monthly (11 values), outfall 001 form Q quarterly (14 values), outfall 01A form A monthly (3 values)
Renewal application due
Jan 16, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 52 reports late

Limits in force (53)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 8.5 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendeddaily maximum≤ 23 mg/Lall year001
Solids, total suspendedmonthly average≤ 213 lb/dall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Copper, total [as Cu]monthly averagereport only (ug/L)all year001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Copper, total [as Cu]monthly average≤ .15 lb/dall year001
Copper, total [as Cu]daily maximum≤ .36 lb/dall year001
Silver, total [as Ag]monthly averagereport only (ug/L)all year001
Silver, total [as Ag]daily maximumreport only (ug/L)all year001
Silver, total [as Ag]monthly averagereport only (lb/d)all year001
Silver, total [as Ag]daily maximumreport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year001
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 96 %all year001
Whole Effluent Toxicity [WET] - C. dubiamonthly average minimum≥ 96 %all year001
Whole Effluent Toxicity [WET] - P. promelas7-day minimum≥ 96 %all year001
Whole Effluent Toxicity [WET] - P. promelasmonthly average minimum≥ 96 %all year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 142 lb/dall year001
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7-day minimumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7Day Chronic Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all year001
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all year001
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all year001
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all year001
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all year001
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubiamaximumreport only (%)all year001
Coef Of Var Static Renewal 7Day Chronic Pimephales promelasmaximumreport only (%)all year001
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/Lall year01A
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/Lall year01A
Nitrogen, ammonia total [as N]monthly average≤ 57 lb/dall year01A

New limits from Jul 15, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], daily maximum6.5 mg/Ltighter1 mg/L (12 values, 12 below detection)—
Nitrogen, ammonia total [as N], monthly average39 lb/dtighter3.16 lb/d (12 values, 12 below detection)—
Nitrogen, ammonia total [as N], monthly average2.7 mg/Ltighter1 mg/L (12 values, 12 below detection)—

How strict are these limits?

Cited limits by parameter: Louisiana's rules and the federal ones.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0032239 · MCP: https://passage-data.com/mcp